Concept explainers
(a)
Interpretation:
The mass of
Concept introduction:
The
Molar mass is defined as the mass in grams of one mole of a substance and is expressed in
Answer to Problem 41E
The mass of
Explanation of Solution
There are
The molar mass of
Therefore, the mass of one mole of
The mass of
Hence, the mass of
The mass of
(b)
Interpretation:
The mass of
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element and is expressed in atomic mass unit
Molar mass is defined as the mass in grams of one mole of a substance and is expressed in
Answer to Problem 41E
The mass of
Explanation of Solution
There are
The molar mass of
Therefore, the mass of one mole of
The mass of
Hence, the mass of
The mass of
(c)
Interpretation:
The number of atoms present in
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element and is expressed in atomic mass unit
Molar mass is defined as the mass in grams of one mole of a substance and is expressed in
Answer to Problem 41E
The number of atoms present in
Explanation of Solution
The molar mass of
Therefore, the mass of one mole of
The number of moles of
The given mass is
Substitute the values of mass and molar mass in the above formula to calculate the number of moles of
Thus,
Hence,
The number of atoms present in
(d)
Interpretation:
The number of molecules present in
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element and is expressed in atomic mass unit
Molar mass is defined as the mass in grams of one mole of a substance and is expressed in
Answer to Problem 41E
The number of molecules present in
Explanation of Solution
The molar mass of
Therefore, the mass of one mole of
The number of moles of
The given mass is
Substitute the values of mass and molar mass in the above formula to calculate the number of moles of
Thus,
Hence,
The number of molecules present in
(e)
Interpretation:
The number of atoms present in
Concept introduction:
The atomic mass of an atom is defined as the average of the total masses of the atoms in an element and is expressed in atomic mass unit
Molar mass is defined as the mass in grams of one mole of a substance and is expressed in
Answer to Problem 41E
The number of atoms present in
Explanation of Solution
The molar mass of
Therefore, the mass of one mole of
The number of moles of
The given mass is
Substitute the values of mass and molar mass in the above formula to calculate the number of moles of
Thus,
Therefore,
Hence,
The number of atoms present in
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Chapter 7 Solutions
Introductory Chemistry: An Active Learning Approach
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